org.opensourcephysics.sip.ch13
Class DLAApp

java.lang.Object
  org.opensourcephysics.controls.AbstractAnimation
      org.opensourcephysics.controls.AbstractSimulation
          org.opensourcephysics.sip.ch13.DLAApp

All Implemented Interfaces:

java.lang.Runnable, Animation, Simulation

public class DLAApp
extends AbstractSimulation

DLAApp displays Diffusion Limited Aggregation (DLA) in a lattice frame. Add code to plot the mass distribution in the stopRunning method.

Field Summary

Fields inherited from class org.opensourcephysics.controls.AbstractSimulation

control, showStepsPerDisplay, stepCounter, stepsPerDisplay

Fields inherited from class org.opensourcephysics.controls.AbstractAnimation

animationThread, decimalFormat, delayTime, mainFrame

Constructor Summary

DLAApp()

Method Summary

void	doStep() Does a simulation step by growing the DLA.
void	initialize() Initializes the DLA lattice.
static void	main(java.lang.String[] args)
void	reset() Resets the DLA lattice size.
void	stopRunning() Performs an action after the animation stops.
boolean	walk(int x, int y) Walk until next to perimeter site.

Methods inherited from class org.opensourcephysics.controls.AbstractSimulation

enableStepsPerDisplay, getControl, getLoader, getStepCounter, getStepsPerDisplay, initializeAnimation, resetAnimation, run, setControl, setStepsPerDisplay, start, startAnimation, startRunning, startSimulation, stepAnimation, stop, stopAnimation, stopSimulation

Methods inherited from class org.opensourcephysics.controls.AbstractAnimation

addChildFrame, clearChildFrames, getChildFrames, getDelayTime, getMainFrame, getOSPApp, isRunning, setDelayTime

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.opensourcephysics.controls.Simulation

isRunning

Constructor Detail

DLAApp

public DLAApp()

Method Detail

initialize

public void initialize()

Initializes the DLA lattice.

Overrides:

initialize in class AbstractSimulation

reset

public void reset()

Resets the DLA lattice size.

Overrides:

reset in class AbstractSimulation

stopRunning

public void stopRunning()

Performs an action after the animation stops.

Overrides:

stopRunning in class AbstractSimulation

doStep

public void doStep()

Does a simulation step by growing the DLA. Attempts no more than 100 walkers.

Specified by:

doStep in class AbstractAnimation

walk

public boolean walk(int x,
                    int y)

Walk until next to perimeter site.

Parameters:

x,y - initial walker location

main

public static void main(java.lang.String[] args)